洛智维智能科技(深圳)有限公司
Lozavy Intelligent Technology (Shenzhen) Co., Ltd.
Strong Factory20,000 ㎡ FACTORY
Made to OrderOEM / ODM CUSTOM
Fast Delivery3–5 DAY SAMPLING
ISO 9001 · SGSAUDITED QUALITY
Direct Factory·Wide Range
Certified Quality
16+ Yrs R&D Experience
One-Stop OEM/ODM Service

NTAG 424 DNA TT Anti-Counterfeit NFC Label RFID Electronic Tag

RFID Electronic Tag

NTAG 424 DNA TT anti-counterfeit NFC label – a tamper-evident smart label powered by the NXP NTAG 424 DNA TT chip. Every tap with an NFC phone generates a cryptographically protected SUN message, so anyone can verify product…

AES-128 SUN authenticationTamper-evident TT optionCustom die-cut & print

NTAG 424 DNA TT Anti-Counterfeit NFC Label — RFID Electronic Tag made by LOZAVY in our own factory in Shenzhen, China. Built around a NXP NTAG 424 DNA TT (NT4H2421x) chip, operating at 13.56 MHz, measuring Custom die-cut (round Φ25 mm, 30×40 mm, etc.), moulded in Coated paper or PET face, permanent adhesive, and the minimum order quantity is 1000 pcs. Every unit is 100% RF tested before shipment. Stock samples ship in 1–2 working days, custom samples take 3–5 working days, and mass production runs 7–15 working days after approval. Printing, UID numbering and NDEF encoding are all handled in-house.

Key specifications
Protocol
NFC Forum Type 4 Tag / ISO/IEC 14443-4
Frequency
13.56 MHz
Chip
NXP NTAG 424 DNA TT (NT4H2421x)
Capacity
416 bytes user memory
Dimensions
Custom die-cut (round Φ25 mm, 30×40 mm, etc.)
Material
Coated paper or PET face, permanent adhesive
Price & orderingQuoted in 24 h
Unit priceOn request
MOQ1000 pcs
Lead time7–15 working days

Factory-direct pricing, quoted within 24 hours. Your unit price depends on chip, material, printing, quantity and packaging — send us the spec and we price it exactly, with no padding.

  • Stock samples free (you cover shipping)
  • Custom samples 3–5 working days
  • Sample fee refunded at USD 10,000
Lychee Liu · +86 15820287644 · Mon–Fri 09:00–18:00 (GMT+8)

Typical Applications

  • Brand protection
  • anti-counterfeit traceability
  • product authentication
  • Logistics and warehouse pallet tracking
  • Retail apparel hang tags and inventory
  • Asset and equipment management

Key Specifications

  • ProtocolNFC Forum Type 4 Tag / ISO/IEC 14443-4
  • Frequency13.56 MHz
  • ChipNXP NTAG 424 DNA TT (NT4H2421x)
  • Capacity416 bytes user memory
  • Data retention10 years, 200,000 write cycles
  • Read rangeUp to 10 cm (device-dependent)
  • DimensionsCustom die-cut (round Φ25 mm, 30×40 mm, etc.)
  • MaterialCoated paper or PET face, permanent adhesive
  • ColorWhite / transparent, full-colour print
  • MountingSelf-adhesive sticker, roll or sheet
  • WaterproofWater-resistant PET face (IP65 with lamination)
  • Storage temp-40 to +85 °C
  • Working temp-25 to +70 °C
  • CertificationISO 14443-A, NFC Forum, RoHS, REACH
  • ApplicationBrand protection, anti-counterfeit traceability, product authentication
  • Data rate106 / 212 / 424 / 848 kbit/s
  • UID7-byte UID (4-byte optional)
  • AES keys5 x 128-bit customer keys
  • Tamper detectionTT tamper-loop status monitoring
  • ATQA0x0344 (7B UID) / 0x0304 (4B UID)
  • SAKSAK1=0x04, SAK2=0x20 (7B) / SAK=0x20 (4B)
  • ATS06 77 77 71 02 80
  • MOQ1000 pcs

How We Compare

  • Supply chain LOZAVY: Own 20,000 m² factory in Shenzhen, China — you audit the real production line Typical market practice: Trading companies resell from unnamed workshops with no audit access
  • RF testing LOZAVY: 100% RF tested before shipment, chip by chip Typical market practice: Batch sampling only, defective rate usually not disclosed
  • Minimum order LOZAVY: From 100 pcs on standard epoxy tags and key fobs Typical market practice: Commonly 500–1,000 pcs for customised NFC products
  • Sampling speed LOZAVY: Stock samples free (you cover shipping), shipped in 1–2 working days; custom samples 3–5 working days Typical market practice: Samples often charged and take 1–2 weeks
  • Customisation scope LOZAVY: Chip, size, shape, printing, UID laser numbering and NDEF encoding in one factory Typical market practice: Printing and encoding often outsourced to separate vendors
  • Sample fee refund LOZAVY: Fully credited back once the bulk order reaches USD 10,000 Typical market practice: Sample fees are usually non-refundable

NTAG 424 DNA TT anti-counterfeit NFC label – a tamper-evident smart label powered by the NXP NTAG 424 DNA TT chip. Every tap with an NFC phone generates a cryptographically protected SUN message, so anyone can verify product authenticity with a simple scan – no app required.

Key Features

  • AES-128 encryption with SUN (Secure Unique NFC) message on every tap
  • Tamper loop detection (TT) – the label stops authenticating once it is peeled or cut
  • Compliant with NFC Forum Type 4 Tag and ISO/IEC 14443-4
  • 416 bytes user memory, up to 10 cm read range on smartphones
  • Works on Android with no app; iOS 11 and above through the background reader

Typical Applications

  • Wine, spirits and luxury goods authentication
  • Pharmaceutical track and trace
  • Electronics warranty and after-sales verification
  • Cosmetics and consumables anti-counterfeit seals

Customisation

Die-cut size, face material (coated paper or PET), full-colour printing, serial or QR numbering and pre-encrypted key injection are all configurable. Supplied on rolls or sheets; MOQ 1000 pcs.

Order & Samples

Evaluation samples can be arranged in 3-5 working days. The sample fee is fully refunded once your bulk order reaches USD 10,000. Working hours: Mon-Fri 09:00-18:00 GMT+8.

RF & Chip

ProtocolNFC Forum Type 4 Tag / ISO/IEC 14443-4
Frequency13.56 MHz
ChipNXP NTAG 424 DNA TT (NT4H2421x)
Capacity416 bytes user memory
Data retention10 years, 200,000 write cycles

Physical

Read rangeUp to 10 cm (device-dependent)
DimensionsCustom die-cut (round Φ25 mm, 30×40 mm, etc.)
MaterialCoated paper or PET face, permanent adhesive
ColorWhite / transparent, full-colour print
MountingSelf-adhesive sticker, roll or sheet

Environment & Durability

WaterproofWater-resistant PET face (IP65 with lamination)
Storage temp-40 to +85 °C
Working temp-25 to +70 °C

Compliance & Customization

CertificationISO 14443-A, NFC Forum, RoHS, REACH
ApplicationBrand protection, anti-counterfeit traceability, product authentication

Additional

Data rate106 / 212 / 424 / 848 kbit/s
UID7-byte UID (4-byte optional)
AES keys5 x 128-bit customer keys
Tamper detectionTT tamper-loop status monitoring
ATQA0x0344 (7B UID) / 0x0304 (4B UID)
SAKSAK1=0x04, SAK2=0x20 (7B) / SAK=0x20 (4B)
ATS06 77 77 71 02 80
Need a parameter not listed here? Ask an engineer

What we can customize

Chip & memory
NTAG213/215/216, MIFARE Classic/Ultralight, ICODE SLIX, or your nominated chip.
Size & shape
CR80 standard, custom die-cut shapes, rounded corners, punch holes or slots.
Printing & finish
Offset/screen print, UV varnish, hot foil, laser UID, QR or serial numbering.
Packaging & data
Individual polybag, custom label, pre-encoding, UID list delivered in Excel.

How it works

  1. 1Requirements
  2. 2Sampling
  3. 3Sample approval
  4. 4Mass production
Lead time:Stock samples ship in 1–2 working days · Custom sampling 3–5 working days · Mass production 7–15 working days after approval
Send my customization requirements

Frequently asked questions

What is the minimum order quantity?
It depends on the process and chip. Standard products start from 100 pcs; electronic labels and inlays start from 1,000 pcs. Send us your target quantity and we will confirm the exact MOQ.
Can I get a sample before placing an order?
Yes. Stock samples are free — you only cover shipping, and they ship within 1–2 business days. Custom samples take 3–5 working days and carry a sample fee, credited back in full once your bulk order reaches USD 10,000.
How long does mass production take?
7–15 working days after sample approval for most orders. Larger or multi-process orders are scheduled individually.
Can you print our logo and pre-encode the chips?
Yes. Send vector artwork and we handle printing, UID/laser numbering and NDEF encoding, then ship a test sample for verification.
Which certifications and quality checks do you provide?
Production follows ISO 9001 quality control with full inspection before shipment. Chip compliance documents are available on request.

Still have questions? Send us an inquiry and we reply within 12 hours.